Do you want to (B)oot or (P)ower down?

请电脑天才们帮帮忙,看看电脑屏幕上出现的这句话到底怎么回事?
Do you want to (B)oot or (P)ower down?_,然后我按任何键都没反应的.
这句话是开机后出现的,还没有进到操作系统的滚动条就出来了,以前这台电脑一直是CMOS电源不足,我开机一直要去SETUP里设置日期和时间的,但一直可以用,现在出现这个问题就不能用啦,请帮忙解答!先谢谢各位IT精英啦啦!
多谢各位精英百忙之中帮我解答.
我看得懂意思,问题是我按B也没用按P也没用,光标就在那里一跳一跳的.手提的CMOS电池可以自己拆开换伐??

do you want to sleep What do you want to do? Do you want to listen to the Whom do you want to talk to? Do you want to ____a musician? Why do you want to kill me? Why do you want to study abroad? do you want to play chess? Do you want to fall?是什么意思 whant do you want to be